Introduce dummy program to help with API releases.

pluginator/main.go

@@ -1,7 +1,7 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-// See /plugin/doc.go for an explanation.
+// A code generator. See /plugin/doc.go for an explanation.
 package main
 
 import (
@@ -14,6 +14,7 @@ import (
 
 	"sigs.k8s.io/kustomize/v3/pkg/pgmconfig"
 	"sigs.k8s.io/kustomize/v3/pkg/plugins"
+	"sigs.k8s.io/kustomize/v3/provenance"
 )
 
 //go:generate stringer -type=pluginType
@@ -43,6 +44,10 @@ func main() {
 		fmt.Sprintf(
 			"// Code generated by pluginator on %s; DO NOT EDIT.",
 			root))
+	w.write(
+		fmt.Sprintf(
+			"// pluginator %+v\n", provenance.GetProvenance()))
+	w.write("\n")
 	w.write("package " + plugins.BuiltinPluginPackage)
 
 	pType := unknown
@@ -83,6 +88,7 @@ func main() {
 func inputFileRoot() string {
 	n := os.Getenv("GOFILE")
 	if !strings.HasSuffix(n, ".go") {
+		log.Printf("%+v\n", provenance.GetProvenance())
 		log.Fatalf("expecting .go suffix on %s", n)
 	}
 	return n[:len(n)-len(".go")]